25885140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 75694080

約数和(自身を除く): 49808940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 79, 86, 127, 129, 158, 172, 215, 237, 254, 258, 316, 381, 395, 430, 474, 508, 516, 635, 645, 762, 790, 860, 948, 1185, 1270, 1290, 1524, 1580, 1905, 2370, 2540, 2580, 3397, 3810, 4740, 5461, 6794, 7620, 10033, 10191, 10922, 13588, 16383, 16985, 20066, 20382, 21844, 27305, 30099, 32766, 33970, 40132, 40764, 50165, 50955, 54610, 60198, 65532, 67940, 81915, 100330, 101910, 109220, 120396, 150495, 163830, 200660, 203820, 300990, 327660, 431419, 601980, 862838, 1294257, 1725676, 2157095, 2588514, 4314190, 5177028, 6471285, 8628380, 12942570, 25885140]

約数ペア:

[(1, 25885140), (2, 12942570), (3, 8628380), (4, 6471285), (5, 5177028), (6, 4314190), (10, 2588514), (12, 2157095), (15, 1725676), (20, 1294257), (30, 862838), (43, 601980), (60, 431419), (79, 327660), (86, 300990), (127, 203820), (129, 200660), (158, 163830), (172, 150495), (215, 120396), (237, 109220), (254, 101910), (258, 100330), (316, 81915), (381, 67940), (395, 65532), (430, 60198), (474, 54610), (508, 50955), (516, 50165), (635, 40764), (645, 40132), (762, 33970), (790, 32766), (860, 30099), (948, 27305), (1185, 21844), (1270, 20382), (1290, 20066), (1524, 16985), (1580, 16383), (1905, 13588), (2370, 10922), (2540, 10191), (2580, 10033), (3397, 7620), (3810, 6794), (4740, 5461)]